- ------------------------------------------------------------------------- Debian Security Advisory DSA-4968-1 [email protected] https://www.debian.org/security/ Salvatore Bonaccorso September 07, 2021 https://www.debian.org/security/faq - ------------------------------------------------------------------------- Package : haproxy CVE ID : CVE-2021-40346 Ori Hollander reported that missing header name length checks in the htx_add_header() and htx_add_trailer() functions in HAProxy, a fast and reliable load balancing reverse proxy, could result in request smuggling attacks or response splitting attacks. Additionally this update addresses #993303 introduced in DSA 4960-1 causing HAProxy to fail serving URLs with HTTP/2 containing '//'. For the stable distribution (bullseye), this problem has been fixed in version 2.2.9-2+deb11u2. We recommend that you upgrade your haproxy packages. For the detailed security status of haproxy please refer to its security tracker page at: https://security-tracker.debian.org/tracker/haproxy Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: https://www.debian.org/security/ Mailing list: [email protected]
Debian: DSA-4968-1: haproxy security update
September 7, 2021
Ori Hollander reported that missing header name length checks in the htx_add_header() and htx_add_trailer() functions in HAProxy, a fast and reliable load balancing reverse proxy, ...
Summary
Additionally this update addresses #993303 introduced in DSA 4960-1
causing HAProxy to fail serving URLs with HTTP/2 containing '//'.
For the stable distribution (bullseye), this problem has been fixed in
version 2.2.9-2+deb11u2.
We recommend that you upgrade your haproxy packages.
For the detailed security status of haproxy please refer to its security
tracker page at:
https://security-tracker.debian.org/tracker/haproxy
Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/
Mailing list: [email protected]
Severity
Ori Hollander reported that missing header name length checks in the
htx_add_header() and htx_add_trailer() functions in HAProxy, a fast and
reliable load balancing reverse proxy, could result in request smuggling
attacks or response splitting attacks.
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